Ralph de Bridtwisell c1160 For a great deal more information on the
Birtwistle family  and its various branches see the book "The
Birtwistle Family, 1200- 1850 AD" by William A Birtwistle assisted by
Ray Aspden.

Including Birtwells of Accrington and Whalley, Birtwhistles of
Yorkshire and other local spelling variations. 

(c) William A.Birwistle 1989. Published in Great Britain 1990.    
ISBN 09515337 0 3
W.A. Birtwistle, 
Brier Nook, 
Park Cresent, 
Blaclkburn, 
Lancashire. UK

Printed by
Caxton Printing Co. (Accrington) Ltd., 
Tremellen Street,
Accrington .